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[B] The following conclusions are supported by fair evidence:
Systematic reviews conclude bariatric surgery including gastric bypass, gastric banding, gastroplasty, sleeve gastrectomy or bibilopancreatic division with duodenal switch is more effective than non-surgical treatment to promote substantial weight loss in adults with morbid obesity (BMI ≥40 kg/m2). Results for all surgeries, except for sleeve gastrectomy, show maintenance up to a minimum of 10 years. Sleeve gastrectomy is a more